<!DOCTYPE HTML>
<html>
<head>
    <title>CSS 2.1 Test Suite: z-index</title>
    <link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
    <link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
    <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#z-index" />
    <meta name="flags" content="" />
<style>
.container {
  position:absolute;
  width:400px;
  height:100px;
  font-size:0;
  background-color:yellow;
  line-height:0;
  z-index:0;
}
.container > div {
  height:100px;
  margin-bottom:-100px;
}
.negative {
  width:380px;
  background-color:blue;
  position:relative;
  z-index:-1;
}
.block {
  width:360px;
  background-color:purple;
}
.float {
  float:left;
  width:340px;
  margin-right:-340px;
  background-color:green;
}
.inline {
  width:320px;
  display:inline-block;
  background-color:pink;
}
#outline {
  width:300px;
  outline:20px solid gray;
  outline-offset:-20px;
}
.positioned {
  width:280px;
  background-color:magenta;
  position:relative;
}
.positive {
  width:260px;
  background-color:orange;
  position:relative;
  z-index:1;
}
</style>
</head>
<body>
<div class="container">
  <div class="positive"></div>
  <div class="positioned"></div>
  <div id="outline"></div>
  <div class="inline"></div>
  <div class="float"></div>

  <div class="block"></div>
  <div class="negative"></div>
</div>
</body>
</html>
